Is it cheaper to call after 9:00?

Source: Tatoeba

My father came home at nine.

Source: Tatoeba

Banks open at nine o'clock.

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I work from nine to six.

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This train leaves at nine o'clock.

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He works from nine to five-thirty.

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"Hey, when do the dorms lock up?" "9 o'clock." "Whoops, if we don't run we won't make it!"

Source: Tatoeba

I will finish my homework by nine.

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The door is locked at nine o'clock.

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She got in at 9 p.m.

Source: Tatoeba

We have our evening meal at 9 here.

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I advised her to come by 9:00.

Source: Tatoeba

The door is locked at nine o'clock.

Source: Tatoeba

I will be back by nine.

I'll be back by nine.

Source: Tatoeba

Is it cheaper to call after 9:00?

Is it cheaper to call after nine?

Source: Tatoeba

You work at nine o'clock.

Source: Tatoeba

The game ended at nine o'clock.

Source: Tatoeba

He did not come back until nine o'clock.

Source: Tatoeba

The program starts at nine o'clock.

Source: Tatoeba